Fig. 1From: Association of osteoarthritis risk factors with knee and hip pain in a population-based sample of 29–59 year olds in Denmark: a cross-sectional analysisFlow diagram showing participants of the two-stage cross-sectional survey1 Presence of knee and/or hip problems was defined as having knee and/or hip pain, a previous knee/hip injury or a knee/hip surgery reported in the TOF pilot studyBack to article page